From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, HK_RANDOM_FROM,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49F0FC433E0 for ; Tue, 23 Jun 2020 11:58:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C85420738 for ; Tue, 23 Jun 2020 11:58:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732517AbgFWL6W (ORCPT ); Tue, 23 Jun 2020 07:58:22 -0400 Received: from mga05.intel.com ([192.55.52.43]:58474 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732333AbgFWL6V (ORCPT ); Tue, 23 Jun 2020 07:58:21 -0400 IronPort-SDR: PIlYuRk389QU4nB7axuXkyLlby9Pd0ObtWGRJI44Jj/0rfeDlUtsdyp7AJQzRPdmQEUntBkNJr zZ8TtICRBkpA== X-IronPort-AV: E=McAfee;i="6000,8403,9660"; a="228710021" X-IronPort-AV: E=Sophos;i="5.75,271,1589266800"; d="scan'208";a="228710021" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jun 2020 04:58:21 -0700 IronPort-SDR: Bl9ke7FbJRHMn+rrIwBEbdYADJmeC7EVQg6ou+uNdm0TXzolbkxhl/Lye+UQPBNsnTp1zbfhTY 6cX/OJSFmWog== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,271,1589266800"; d="scan'208";a="285745012" Received: from lxy-dell.sh.intel.com ([10.239.159.21]) by orsmga007.jf.intel.com with ESMTP; 23 Jun 2020 04:58:18 -0700 From: Xiaoyao Li To: Paolo Bonzini , Sean Christopherson , Vitaly Kuznetsov Cc: Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Xiaoyao Li Subject: [PATCH v2 0/7] Refactor handling flow of SET_CPUID* Date: Tue, 23 Jun 2020 19:58:09 +0800 Message-Id: <20200623115816.24132-1-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.18.2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This serial is the extended version of https://lkml.kernel.org/r/20200528151927.14346-1-xiaoyao.li@intel.com First two patches are bug fixing, and the others aim to refactor the flow of SET_CPUID* as: 1. cpuid check: check if userspace provides legal CPUID settings; 2. cpuid update: Update some special CPUID bits based on current vcpu state, e.g., OSXSAVE, OSPKE, ... 3. update vcpu model: Update vcpu model (settings) based on the final CPUID settings. v2: - rebase to kvm/queue: a037ff353ba6 ("Merge branch 'kvm-master' into HEAD") - change the name of kvm_update_state_based_on_cpuid() to kvm_update_vcpu_model() [Sean] - Add patch 5 to rename kvm_x86_ops.cpuid_date() to kvm_x86_ops.update_vcpu_model() v1: https://lkml.kernel.org/r/20200529085545.29242-1-xiaoyao.li@intel.com Xiaoyao Li (7): KVM: X86: Reset vcpu->arch.cpuid_nent to 0 if SET_CPUID fails KVM: X86: Go on updating other CPUID leaves when leaf 1 is absent KVM: X86: Introduce kvm_check_cpuid() KVM: X86: Split kvm_update_cpuid() KVM: X86: Rename cpuid_update() to update_vcpu_model() KVM: X86: Move kvm_x86_ops.update_vcpu_model() into kvm_update_vcpu_model() KVM: X86: Move kvm_apic_set_version() to kvm_update_vcpu_model() arch/x86/include/asm/kvm_host.h | 2 +- arch/x86/kvm/cpuid.c | 108 ++++++++++++++++++++------------ arch/x86/kvm/cpuid.h | 3 +- arch/x86/kvm/svm/svm.c | 4 +- arch/x86/kvm/vmx/nested.c | 2 +- arch/x86/kvm/vmx/vmx.c | 4 +- arch/x86/kvm/x86.c | 1 + 7 files changed, 77 insertions(+), 47 deletions(-) -- 2.18.2